stress_test_autoscaler.yaml

####################################################################
# All nodes in this cluster will auto-terminate in 1 hour
####################################################################

# An unique identifier for the head node and workers of this cluster.
cluster_name: autoscaler-stress-test-1.0.0

# The minimum number of workers nodes to launch in addition to the head
# node. This number should be >= 0.
min_workers: 100

# The maximum number of workers nodes to launch in addition to the head
# node. This takes precedence over min_workers.
max_workers: 100

# The autoscaler will scale up the cluster to this target fraction of resource
# usage. For example, if a cluster of 10 nodes is 100% busy and
# target_utilization is 0.8, it would resize the cluster to 13. This fraction
# can be decreased to increase the aggressiveness of upscaling.
# This value must be less than 1.0 for scaling to happen.
target_utilization_fraction: 0.8

# If a node is idle for this many minutes, it will be removed.
idle_timeout_minutes: 5

# Cloud-provider specific configuration.
provider:
    type: aws
    region: us-west-2
    availability_zone: us-west-2a
    cache_stopped_nodes: False

# How Ray will authenticate with newly launched nodes.
auth:
    ssh_user: ubuntu
# By default Ray creates a new private keypair, but you can also use your own.
# If you do so, make sure to also set "KeyName" in the head and worker node
# configurations below.
#    ssh_private_key: /path/to/your/key.pem

# Provider-specific config for the head node, e.g. instance type. By default
# Ray will auto-configure unspecified fields such as SubnetId and KeyName.
# For more documentation on available fields, see:
# http://boto3.readthedocs.io/en/latest/reference/services/ec2.html#EC2.ServiceResource.create_instances
head_node:
    InstanceType: m4.16xlarge
    ImageId: ami-0a2363a9cff180a64 # Custom ami

    # Set primary volume to 25 GiB
    BlockDeviceMappings:
        - DeviceName: /dev/sda1
          Ebs:
              VolumeSize: 100

    # Additional options in the boto docs.

# Provider-specific config for worker nodes, e.g. instance type. By default
# Ray will auto-configure unspecified fields such as SubnetId and KeyName.
# For more documentation on available fields, see:
# http://boto3.readthedocs.io/en/latest/reference/services/ec2.html#EC2.ServiceResource.create_instances
worker_nodes:
    InstanceType: m4.large
    ImageId: ami-0a2363a9cff180a64 # Custom ami

    # Set primary volume to 25 GiB
    BlockDeviceMappings:
        - DeviceName: /dev/sda1
          Ebs:
              VolumeSize: 100

    # Run workers on spot by default. Comment this out to use on-demand.
    InstanceMarketOptions:
        MarketType: spot
        # Additional options can be found in the boto docs, e.g.
        #   SpotOptions:
        #       MaxPrice: MAX_HOURLY_PRICE

    # Additional options in the boto docs.

# List of shell commands to run to set up nodes.
setup_commands:
    # Uncomment these if you want to build ray from source.
    # - sudo apt-get -qq update
    # - sudo apt-get install -y build-essential curl unzip
    # # Build Ray.
    # - git clone https://github.com/ray-project/ray || true
    # - ray/ci/travis/install-bazel.sh
    - pip install -U pip
    - pip install terminado
    - pip install boto3==1.4.8 cython==0.29.0
    # - cd ray/python; git checkout master; git pull; pip install -e . --verbose
    - pip install -U ray==1.0.0
    # - "pip install https://s3-us-west-2.amazonaws.com/ray-wheels/releases/1.1.0/496e449a8bc022b3cd544f7bca76d91be05f04f4/ray-1.1.0.dev0-cp37-cp37m-manylinux2014_x86_64.whl"

# Custom commands that will be run on the head node after common setup.
head_setup_commands: []

# Custom commands that will be run on worker nodes after common setup.
worker_setup_commands: []

# Command to start ray on the head node. You don't need to change this.
head_start_ray_commands:
    - ray stop
    - ulimit -n 65536; ray start --head --port=6379 --autoscaling-config=~/ray_bootstrap_config.yaml

# Command to start ray on worker nodes. You don't need to change this.
worker_start_ray_commands:
    - ray stop
    - ulimit -n 65536; ray start --address=$RAY_HEAD_IP:6379 --num-gpus=100